A Phweet makes conversations and conference calls possible between Twitter friends and across other social networks. Phweet enables voice conversations through unique hyperlinks which expire when the...

Figshare allows researchers to publish all of their research online in an easily citable, sharable, and discoverable manner. All file formats can be published, including videos and datasets. Creative...

LingQ provides language learners with a portal to access various forms of content and assistance. The offerings include: personal tutors, live conversations, making friends in the community, learning...

Portfolium is a social network that displays achievements of high school students, college students, and recent grads. One of the missions of this service is to end with college graduate unemployment...

StudiHelp is a German website where students can meet and collaborate online. Students can search for study buddies or experts in specific subjects as well as just chat and discuss common interests....

OrgSync provides an online campus engagement platform for education communities, connecting students to organizations, departments, and programs with the goal of improving communication, information...

The Rutamina API provides data from a database of routes, so any application can get, search and display routes on maps. Rutamina is a community focused on walking routes, cycling, tourism and more....

Spredfast Account API provides developers limited meta information about a set of streams that belongs to an individual account. A user in the system can have multiple streams in their account, this...

Piryx is a platform for online fundraising for non-profits, charities advocacy groups, political campaigns, corporate giving programs, groups, clubs, sports teams and other causes. The social giving...

BTCMine is a pooled Bitcoin mining server. Pooled mining allows many miners to work together and thereby reduce the variance in their Bitcoin reward over time. This is achieved by fairly distributing...

Crypto::Stocks is a crowdingfunding platform that allows users to fund business ideas using Bitcoins, Litecoins, or Devcoins. The site provides an avnue to get financing for ideas, as well as invest...

Use the VirWoX API to exchange virtual currencies (such as Linden Dollars of Second Life) for real money, or to read live market data. Access this Virtual World Exchange and use the VirWoX server for...

From their site: Our goal is to create the best personal finance application on the web. Money is typically not the topic of discussion for a group of twenty-somethings wanting to have fun with their...

Yammer is a private social network for companies. The Yammer OG Delivery API allows developers to deliver activity to the user’s Yammer network. This is done by defining the appropriate JSON payload...

socialVideobytes looks to address the need to integrate video across a highly viral and very visible social application-based advertising network. socialVideobytes has social video distribution with...

SpruceMedia is a social advertising platform allowing users to manage their advertisments on Facebook. SpruceMedia offers an API that allows advertisers to provide scalable performance advertising on...

InviteBox enables users to design and launch social referral programs for their online businesses. Users can reward customers immediately for sharing their site through social channels by giving them...

Pleiades is a community-built geographical dictionary and map of ancient places. An outgrowth of the Classical Atlas Project and the Barrington Atlas of the Greek and Roman World, it associates names...

Growstuff is an online community of food gardeners. Using their open source platform, gardeners can track seeds they plant, exchange seeds with local gardeners, and learn more about growing their own...

ShareMyPlaylists is a service for Spotify users to create, share, and search music playlists. Users can submit their playlists for other users to discover and follow.
The ShareMyPlaylists API allows...

Punkrock.org is a online social hub for information about punk rock music. The community offers access to a variety of media (videos, pictures) community polls, personal and band blogs, current event...

Plug.dj is an online community that allows people to enjoy music and video content together in a real-time socially interactive environment. Use plug.dj to create parties with friends and peers from...

Turntable.fm is a social music site that allows users to share music. The service combines elements of music-streaming, chat and real-time voting. This unofficial API allows users to create bots for...